Remove standalone true from platform and UIF (#15032)

Remove standalone: true from every instance since it's the default as of Angular 19.

libs/components/src/form-control/form-control.component.ts

@@ -14,7 +14,6 @@ import { BitFormControlAbstraction } from "./form-control.abstraction";
 @Component({
   selector: "bit-form-control",
   templateUrl: "form-control.component.html",
-  standalone: true,
   imports: [NgClass, TypographyDirective, I18nPipe],
 })
 export class FormControlComponent {

libs/components/src/form-control/hint.component.ts

@@ -8,7 +8,6 @@ let nextId = 0;
   host: {
     class: "tw-text-muted tw-font-normal tw-inline-block tw-mt-1 tw-text-xs",
   },
-  standalone: true,
 })
 export class BitHintComponent {
   @HostBinding() id = `bit-hint-${nextId++}`;

libs/components/src/form-control/label.component.ts

@@ -10,7 +10,6 @@ let nextId = 0;
 
 @Component({
   selector: "bit-label",
-  standalone: true,
   templateUrl: "label.component.html",
   imports: [CommonModule],
 })